Thermodynamic effects of single-qubit operations in silicon-based quantum computing

Lougovski, Pavel; Peters, Nicholas A.

doi:10.1016/j.physleta.2018.05.027

Title: Thermodynamic effects of single-qubit operations in silicon-based quantum computing

Journal Article · 21 May 2018 · Physics Letters. A

DOI: https://doi.org/10.1016/j.physleta.2018.05.027 · OSTI ID:1439956

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Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); The Univ. of Tennessee, Knoxville, TN (United States)

Silicon-based quantum logic is a promising technology to implement universal quantum computing. It is widely believed that a millikelvin cryogenic environment will be necessary to accommodate silicon-based qubits. This prompts a question of the ultimate scalability of the technology due to finite cooling capacity of refrigeration systems. In this work, we answer this question by studying energy dissipation due to interactions between nuclear spin impurities and qubit control pulses. Furthermore, we demonstrate that this interaction constrains the sustainable number of single-qubit operations per second for a given cooling capacity.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1439956

Alternate ID(s):: OSTI ID: 1544438

Journal Information:: Physics Letters. A, Vol. 382, Issue 32; ISSN 0375-9601

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 1 work

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Cited By (1)

Quantum process identification: a method for characterizing non-markovian quantum dynamics Bennink, Ryan S.; Lougovski, Pavel New Journal of Physics, Vol. 21, Issue 8 https://doi.org/10.1088/1367-2630/ab3598	journal	August 2019